# SmartButler vs SolarViewer

The clearest difference is iOS requirement: SolarViewer at 8.0 against SmartButler's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SmartButler ships an update every 3 weeks, SolarViewer every 5 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | SmartButler | SolarViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartbutler/id547979248/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 9 MB | 36 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAYBEE Systems Ltd.](https://appshunter.io/developer/547979291) | [AsianPowerDevicesInc](https://appshunter.io/developer/1214788661) |

## What reviewers say

### SmartButler

[App page](https://appshunter.io/ios/app/smartbutler/id547979248)

This application is designed exclusively for hotels and establishments that utilize the SmartButler® system. It provides employees with mobile access to guest requests, allowing them to update statuses and add remarks on the go. Real-time notifications ensure prompt attention to new guest needs.

**Highlights:** Guest request access on the go, Update request statuses, Add remarks to requests, Real-time notifications for new requests, Seamless integration with SmartButler® system

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SolarViewer

[App page](https://appshunter.io/ios/app/solarviewer/id1462404751)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartButler free?

SmartButler is free to download, with no in-app purchases.

### Is SolarViewer free?

SolarViewer is free to download, with no in-app purchases.

### Do SmartButler or SolarViewer have ads?

Neither SmartButler nor SolarViewer shows ads.

### Which is updated more often, SmartButler or SolarViewer?

SmartButler ships an update every 3 weeks, and SolarViewer every 5 weeks. Most recently, SmartButler was updated on October 24, 2026 and SolarViewer on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*